{"id":41992,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/control-activo-de-estructuras-aeronauticas-mediante-el-empleo-de-materiales-inteligentes\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"control-activo-de-estructuras-aeronauticas-mediante-el-empleo-de-materiales-inteligentes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/control-activo-de-estructuras-aeronauticas-mediante-el-empleo-de-materiales-inteligentes\/","title":{"rendered":"Control activo de estructuras aeronauticas mediante el empleo de materiales inteligentes."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Santo Tomas Martin Juan  Antonio <\/strong><\/h2>\n<p>Se estudia el efecto de incorporar material piezocer\u00e1mico (pzt) en alas de aviones de transporte para conseguir mejorar su comportamiento.  se plantean las ecuaciones constitutivas de los pzt en r\u00e9gimen lineal y se estudia la capacidad de los pzt de inducir deformaciones cuando son pegados o embebidos en estructuras b\u00e1sicas (vigas y placas) compar\u00e1ndose distintos modelos existentes en la bibliograf\u00eda. A partir de estas actuaciones b\u00e1sicas se plantea de forma original la actuaci\u00f3n introducida por los pzt en un ala t\u00edpica de un caj\u00f3n de torsi\u00f3n y se modeliza una forma en la que los pzt pueden generar una actuaci\u00f3n estructural a base de un pegado direccional en los llamados paneles activos. La creaci\u00f3n de momentos flectores se consigue con pzt orientados a 0 grados situados en 1 recubrimiento del ala, larguerillo y cordones de los largueros. A su vez la generaci\u00f3n de momento torsor se consigue con pzt pegados a +-45 grados en el alma de los largueros del ala.  a partir de la capacidad de generar estos momentos, se realiza una exploraci\u00f3n de las distintas formas de actuaci\u00f3n aeroel\u00e1stica que se pueden conseguir mediante m\u00e9todos num\u00e9ricos simplificados.  a continuaci\u00f3n se lleva a cabo una modelizaci\u00f3n aeroel\u00e1stica detallada usando un m\u00e9todo de elementos finitos para la estructura y aerodin\u00e1mica no estacionaria en el dominio de laplace a trav\u00e9s de funciones de aproximaci\u00f3n racional (rfa). El ala se supone dotada de varios aceler\u00f3metros y actuadores pzt que act\u00faan formando un sistema mimo dise\u00f1ado siguiendo la teor\u00eda del estimador lineal cuadr\u00e1tico \u00f3ptimo. Mediante este modelo se analiza la reducci\u00f3n del nivel de carga en el ala ante las r\u00e1fagas cr\u00edtica, discreta 1-cos y continua con espectro de von dryden seg\u00fan aparec\u00eda en las normas de aeronavegabilidad far 25.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Control activo de estructuras aeronauticas mediante el empleo de materiales inteligentes.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Control activo de estructuras aeronauticas mediante el empleo de materiales inteligentes. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Santo Tomas Martin Juan  Antonio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Rodrigo Martinez Val Pe\u00f1alosa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Lopez ruiz Jos\u00e9 Luis <\/li>\n<li> Gomez-elvira rodriguez Francisco Javier (vocal)<\/li>\n<li>Carlos Navarro ugena (vocal)<\/li>\n<li> Guemes gordo Jes\u00fas alfredo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Santo Tomas Martin Juan Antonio Se estudia el efecto de incorporar material piezocer\u00e1mico (pzt) en alas de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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